Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755278AbXFYNFo (ORCPT ); Mon, 25 Jun 2007 09:05:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753123AbXFYNFh (ORCPT ); Mon, 25 Jun 2007 09:05:37 -0400 Received: from mail.gmx.net ([213.165.64.20]:55622 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752776AbXFYNFh (ORCPT ); Mon, 25 Jun 2007 09:05:37 -0400 X-Authenticated: #5039886 X-Provags-ID: V01U2FsdGVkX184wUsCSv04ZRQYOggVRhS1ZFTSrn01MF5oGQBkOV /5WBH/bu9ZrERX Date: Mon, 25 Jun 2007 15:06:20 +0200 From: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink To: Jeremy Fitzhardinge Cc: Ingo Molnar , Andrew Morton , linux-kernel@vger.kernel.org, Andi Kleen , Linus Torvalds , Rusty Russell Subject: Re: [patch, 2.6.22-rc6] fix nmi_watchdog=2 bootup hang Message-ID: <20070625130620.GB5118@atjola.homenet> Mail-Followup-To: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink , Jeremy Fitzhardinge , Ingo Molnar , Andrew Morton , linux-kernel@vger.kernel.org, Andi Kleen , Linus Torvalds , Rusty Russell References: <20070605095025.GA29029@elte.hu> <20070605095600.GA29270@elte.hu> <20070610181016.GA15979@atjola.homenet> <20070618121122.GA14375@elte.hu> <20070625061819.GA21874@elte.hu> <20070625065956.GA31725@elte.hu> <20070625080521.GA24333@elte.hu> <20070625082652.GA3870@elte.hu> <20070625124512.GA5118@atjola.homenet> <467FB9C1.5090001@goop.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <467FB9C1.5090001@goop.org> User-Agent: Mutt/1.5.13 (2006-08-11) X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1436 Lines: 41 On 2007.06.25 08:49:05 -0400, Jeremy Fitzhardinge wrote: > Bj?rn Steinbrink wrote: > >On 2007.06.25 10:26:52 +0200, Ingo Molnar wrote: > > > >>* Ingo Molnar wrote: > >> > >> > >>>the winner is ... > >>> > >>> f8822f42019eceed19cc6c0f985a489e17796ed8 is first bad commit > >>> commit f8822f42019eceed19cc6c0f985a489e17796ed8 > >>> Author: Jeremy Fitzhardinge > >>> Date: Wed May 2 19:27:14 2007 +0200 > >>> > >>> [PATCH] i386: PARAVIRT: Consistently wrap paravirt ops callsites to > >>> make them patchable > >>> > >>and of course i'm happy to test any patch that is simpler than the > >>brutal revert i sent. > >> > > > >wrmsrl() looks broken, dropping the upper 32bits of the value to be > >written. Does this help? > > > > Crap. That's embarrassing. Does it help, because it seems likely? > (Esp since Ingo didn't even have CONFIG_PARAVIRT enabled, so most of his > revert would have been dead code anyway.) He has. The config Ingo sent was for x86_64, which (AFAICT) doesn't have CONFIG_PARAVIRT, so the config was unfortunately useless. But his bootlog tells us: Booting paravirtualized kernel on bare hardware Bj?rn - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/